W11/L1 Flashcards
Define neoplasia
Excessive and unregulated cell proliferation
What are the two main groups of neoplasias?
Benign & malignant
What are the 5 most common cancers in men in Victoria?
Prostate Bowel Lung Melanoma Lymphoma
What are the 5 most common cancers in women in Victoria?
Breast Bowel Melanoma Lung Lymphoma
What’s the most common cancer worldwide?
Lung
Which region has particularly high rates of stomach cancer?
Asia
China, Mongolia, Japan, S Korea
What things characterise a benign tumour? (6)
Locally expansile Usually slow-growing Usually well circumscribed Well differentiated cells Unable to metastisise Rarely life-threatening
What 2 key things distinguish malignant noeplasias?
Locally invasive with destructive growth
Potential to metastasise
Why are some malignant tumours necrotic?
They outgrow their blood supply
What are the 4 ways a tumour can spread?
Local invasion
Blood-borne
Lymphatic
Trans-coelomic
What are 4 common sites of metastasis?
Liver
Brain
Bone (esp. spine)
Lung